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/*
 * SmartGWT (GWT for SmartClient)
 * Copyright 2008 and beyond, Isomorphic Software, Inc.
 *
 * SmartGWT is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License version 3
 * as published by the Free Software Foundation.  SmartGWT is also
 * available under typical commercial license terms - see
 * http://smartclient.com/license
 *
 * This software is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * Lesser General Public License for more details.
 */

import com.smartgwt.client.types.OperatorId;
import com.smartgwt.client.widgets.Canvas;
import com.smartgwt.client.widgets.IButton;
import com.smartgwt.client.widgets.events.ClickEvent;
import com.smartgwt.client.widgets.events.ClickHandler;
import com.smartgwt.client.widgets.form.DynamicForm;
import com.smartgwt.client.widgets.form.events.ItemChangedEvent;
import com.smartgwt.client.widgets.form.events.ItemChangedHandler;
import com.smartgwt.client.widgets.form.fields.CheckboxItem;
import com.smartgwt.client.widgets.form.fields.SelectItem;
import com.smartgwt.client.widgets.form.fields.SliderItem;
import com.smartgwt.client.widgets.form.fields.TextItem;
import com.smartgwt.client.widgets.layout.HLayout;
import com.smartgwt.client.widgets.layout.VStack;
import com.smartgwt.client.widgets.tile.TileGrid;
import com.smartgwt.client.widgets.viewer.CellStyleHandler;
import com.smartgwt.client.widgets.viewer.DetailFormatter;
import com.smartgwt.client.widgets.viewer.DetailViewerField;
import com.smartgwt.client.widgets.viewer.DetailViewerRecord;
import com.smartgwt.sample.showcase.client.data.AnimalXmlDS;

import java.util.LinkedHashMap;
import java.util.Map;

public class FilterSortTilingSample implements EntryPoint {

    public void onModuleLoad() {

        VStack vStack = new VStack(20);
        vStack.setWidth100();

        final TileGrid tileGrid = new TileGrid();
        tileGrid.setTileWidth(150);
        tileGrid.setTileHeight(205);
        tileGrid.setHeight(400);
        tileGrid.setShowAllRecords(true);
        tileGrid.setDataSource(AnimalXmlDS.getInstance());
        tileGrid.setAutoFetchData(true);
        tileGrid.setAnimateTileChange(true);

        DetailViewerField pictureField = new DetailViewerField("picture");
        DetailViewerField commonNameField = new DetailViewerField("commonName");
        commonNameField.setCellStyle("commonName");

        DetailViewerField lifeSpanField = new DetailViewerField("lifeSpan");
        lifeSpanField.setCellStyle("lifeSpan");
        lifeSpanField.setDetailFormatter(new DetailFormatter() {
            public String format(Object value, DetailViewerRecord record, DetailViewerField field) {
                return "Lifespan: " + value;
            }
        });

        DetailViewerField statusField = new DetailViewerField("status");
        statusField.setCellStyleHandler(new CellStyleHandler() {
            public String execute(Object value, DetailViewerField field, DetailViewerRecord record) {
                if("Endangered".equals(value)) {
                    return "endangered";
                } else if ("Threatened".equals(value)) {
                    return "threatened";
                } else if ("Not Endangered".equals(value)) {
                    return "notEndangered";
                } else {
                    return null;
                }
            }
        });
        tileGrid.setFields(pictureField, commonNameField, lifeSpanField, statusField);

        vStack.addMember(tileGrid);

        final DynamicForm filterForm = new DynamicForm();
        filterForm.setIsGroup(true);
        filterForm.setGroupTitle("Search");
        filterForm.setNumCols(6);
        filterForm.setDataSource(AnimalXmlDS.getInstance());
        filterForm.setAutoFocus(false);

        TextItem commonNameItem = new TextItem("commonName");
        SliderItem lifeSpanItem = new SliderItem("lifeSpan");
        lifeSpanItem.setTitle("Max Life Span");
        lifeSpanItem.setMinValue(1);
        lifeSpanItem.setMaxValue(60);
        lifeSpanItem.setDefaultValue(60);
        lifeSpanItem.setHeight(50);
        lifeSpanItem.setOperator(OperatorId.LESS_THAN);

        SelectItem statusItem = new SelectItem("status");
        statusItem.setOperator(OperatorId.EQUALS);
        statusItem.setAllowEmptyValue(true);

        filterForm.setFields(commonNameItem, lifeSpanItem, statusItem);

        filterForm.addItemChangedHandler(new ItemChangedHandler() {
            public void onItemChanged(ItemChangedEvent event) {
                tileGrid.fetchData(filterForm.getValuesAsCriteria());
            }
        });

        vStack.addMember(filterForm);

        final DynamicForm sortForm = new DynamicForm();
        sortForm.setIsGroup(true);
        sortForm.setGroupTitle("Sort");
        sortForm.setAutoFocus(false);
        sortForm.setNumCols(6);

        SelectItem sortItem = new SelectItem();
        sortItem.setName("sortBy");
        sortItem.setTitle("Sort By");

        LinkedHashMap valueMap = new LinkedHashMap();
        valueMap.put("commonName", "Animal");
        valueMap.put("lifeSpan", "Life Span");
        valueMap.put("status", "Endangered Status");

        sortItem.setValueMap(valueMap);

        final CheckboxItem ascendingItem = new CheckboxItem("chkSortDir");
        ascendingItem.setTitle("Ascending");

        sortForm.setFields(sortItem, ascendingItem);

        sortForm.addItemChangedHandler(new ItemChangedHandler() {
            public void onItemChanged(ItemChangedEvent event) {
                String sortVal = sortForm.getValueAsString("sortBy");
                Boolean sortDir = (Boolean) ascendingItem.getValue();
                if(sortDir == null) sortDir = false;
                if(sortVal != null) {
                   tileGrid.sortByProperty(sortVal, sortDir);
                }
            }
        });
        vStack.addMember(sortForm);

        HLayout hLayout = new HLayout(10);
        hLayout.setHeight(22);

        IButton filterButton = new IButton("Filter");
        filterButton.addClickHandler(new ClickHandler() {
            public void onClick(ClickEvent event) {
                tileGrid.fetchData(filterForm.getValuesAsCriteria());
            }
        });
        filterButton.setAutoFit(true);

        IButton clearButton = new IButton("Clear");
        clearButton.setAutoFit(true);
        clearButton.addClickHandler(new ClickHandler() {
            public void onClick(ClickEvent event) {
                tileGrid.fetchData();
                filterForm.clearValues();
                sortForm.clearValues();
            }
        });

        hLayout.addMember(filterButton);
        hLayout.addMember(clearButton);
        vStack.addMember(hLayout);

        vStack.draw();
    }

}
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